Trigonometry (KVPY Stream-SA (Class 11) Math): Questions 1 - 6 of 7

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Question number: 1

» Trigonometry » Heights and Distances

MCQ▾

Question

The angle of elevation of the top of a building from the foot of tower is 300 and the angle of elevation of the top of the tower from the foot of the building is 600. If the tower is 45m high, then the height of the building is –

Choices

Choice (4) Response
a.

15

b.

12

c.

20

d.

10

Question number: 2

» Trigonometry » Trigonometric Functions

MCQ▾

Question

If x=tanθ+secθ and y=cotθcosecθ , then

Choices

Choice (4) Response
a.

1xy=x2y

b.

1xy=x+y

c.

1xy=xy

d.

1xy=yx

Question number: 3

» Trigonometry » Trigonometric Identities and Equations

MCQ▾

Question

In triangle ABC, value of secB[cosAcosCsinAsinC] is –

Choices

Choice (4) Response
a.

Sin B

b.

1

c.

Cos B

d.

-1

Question number: 4

» Trigonometry » Heights and Distances

MCQ▾

Question

The angle of elevation of the top of a building from the foot of temple is 450 and the angle of elevation of the top of the temple from the foot of the building is 600. If the temple is 50 m high, then the height of the building is –

Choices

Choice (4) Response
a.

50

b.

503

c.

47

d.

350

Question number: 5

» Trigonometry » Trigonometric Functions

MCQ▾

Question

If cosecθ+cotθ=m than cotθ=?

Choices

Choice (4) Response
a.

m21m

b.

m2+1m

c.

m1m

d.

m212m

Question number: 6

» Trigonometry » Trigonometric Functions

MCQ▾

Question

Simplification of {4sinαsin(α+π3)sin(α+2π3)} is –

Choices

Choice (4) Response
a.

sin2α

b.

sinα

c.

sin3α

d. None of the above

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